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I run the following models..Decision tree, Logistic Regression,Naive Bayes, SVM and Random Forest ..I am given certain input features and Respnse feature as whether a customer will buy the product or not in that context i am asking this question , i went through possibly all definitions available on internate but could not be able to properly figure out which measure i should consider as proper performance measure , so far as my models are concern Is there any proper meaning for the following concepts in data analysis.

Precision

Recall

F measure

I am looking for an easy explanation of these concepts with example?

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  • $\begingroup$ Closing because many simple definitions are readily available on the internet. Without understanding why those are insufficient it's almost impossible to answer $\endgroup$
    – Sean Owen
    Commented May 16, 2016 at 13:40
  • $\begingroup$ I change my problem.....kindly make it $\endgroup$
    – Milan Amrut Joshi
    Commented May 17, 2016 at 15:18

1 Answer 1

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Maybe not the answer you would like to hear, but I have to admit that I find wikipedia page on the topic definitively well done...

https://en.wikipedia.org/wiki/Precision_and_recall

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